Flange Type Hard Seal Butterfly Valve (D343H)

1. Utilize three-dimension eccentric structure, almost without attrition betweensea and disc, with sealing function of closing tighter and tighter and secondary seal with wearing compensation.

2. Sealing ring is made of soft and hard cascading metal floakes with double advantages of metal seal and elastic seal.

3. Facing is made of hard alloy with sealing wearing wearing proof and long serving life.

4. Vising differnt materials, no matter undr the condition of sub-zero or high temperature of high pressure, the valves are all with perfect sealing performance, and they also can be made with bidirectional sealing.

5. Lt can provide various actuators according to users requirements.

6. Electric butterfly valves can be manually or remotely controlled. They can also be program control by computers.